[src/trunk]: src/sys/dev/usb Use howmany. NFCI.

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/98d60e20798d
branches:  trunk
changeset: 849825:98d60e20798d
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sun Mar 15 13:59:20 2020 +0000

description:
Use howmany.  NFCI.

diffstat:

 sys/dev/usb/uhci.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r ffe92185e4a0 -r 98d60e20798d sys/dev/usb/uhci.c
--- a/sys/dev/usb/uhci.c        Sun Mar 15 13:54:28 2020 +0000
+++ b/sys/dev/usb/uhci.c        Sun Mar 15 13:59:20 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uhci.c,v 1.296 2020/03/14 02:35:33 christos Exp $      */
+/*     $NetBSD: uhci.c,v 1.297 2020/03/15 13:59:20 skrll Exp $ */
 
 /*
  * Copyright (c) 1998, 2004, 2011, 2012 The NetBSD Foundation, Inc.
@@ -42,7 +42,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.296 2020/03/14 02:35:33 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uhci.c,v 1.297 2020/03/15 13:59:20 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -2006,7 +2006,7 @@
                printf("%s: maxp=0\n", __func__);
                return EINVAL;
        }
-       size_t ntd = (len + maxp - 1) / maxp;
+       size_t ntd = howmany(len, maxp);
        if (!rd && (flags & USBD_FORCE_SHORT_XFER)) {
                ntd++;
        }
@@ -3383,7 +3383,7 @@
 
        if (ival > UHCI_VFRAMELIST_COUNT)
                ival = UHCI_VFRAMELIST_COUNT;
-       npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival;
+       npoll = howmany(UHCI_VFRAMELIST_COUNT, ival);
        DPRINTF("ival=%jd npoll=%jd", ival, npoll, 0, 0);
 
        upipe->intr.npoll = npoll;